CHAPTER 4 IMAGE FORMATION SYSTEMCOPYRIGHT © 1999 CANON INC. CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-11C. Developing Bias OperationFigure 4-403* The value of the DC BIAS CONTROL command and the DC bias are determined by (1) thesetting of the copy density lever and copy density knob, (2) and the AE sensor output.Main motor (M1)Copy Start keyONSTBYWMUP SCFW SCFW LSTR STBYScanner home positionsensor (Q3) signalAC BIAS ON command(ACBON)DC BIAS CONTROLcommand (DCBC)INTR SCRV SCRVAERWMUPR**
